Average annual temperature is 24.5 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: 2.6 °C
Number of sunny days: 172 days
Number of rainy days: 193 days
Look at detailed online map of Willacy County
* Weather data for Willacy County United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.3 | 35.6 | 36.1 | 33.0 | 34.0 | 41.3 | 39.7 | 39.4 | 38.9 | 35.6 | 32.3 | 28.5 |
| Average daytime temperature (°C) | 25.0 | 25.0 | 28.4 | 27.7 | 30.5 | 37.0 | 36.8 | 36.8 | 35.9 | 29.9 | 23.9 | 23.0 |
| Average temperature (°C) | 19.6 | 18.6 | 22.6 | 22.8 | 25.8 | 30.3 | 30.8 | 30.8 | 30.1 | 24.8 | 19.3 | 18.0 |
| Average night temperature (°C) | 16.0 | 14.4 | 18.7 | 19.3 | 22.2 | 25.7 | 26.5 | 26.6 | 25.8 | 21.2 | 15.8 | 14.1 |
| Absolute minimum temperature (°C) | 4.9 | 2.6 | 8.2 | 13.1 | 18.5 | 21.3 | 24.1 | 23.8 | 23.1 | 9.3 | 8.7 | 4.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.8 | 13.6 | 13.1 | 12.3 | 11.5 | 10.9 | 10.5 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.4 | 8.4 | 7.8 | 8.6 | 10.1 | 12.4 | 12.2 | 11.8 | 11.1 | 8.3 | 5.9 | 6.7 |
| Precipitation (mm) | 10 | 12 | 63 | 150 | 97 | 22 | 60 | 57 | 52 | 54 | 105 | 18 |
| Sunny days | 16 | 17 | 14 | 11 | 4 | 20 | 15 | 15 | 12 | 11 | 16 | 21 |
| Rainy days | 15 | 11 | 17 | 19 | 27 | 10 | 16 | 16 | 18 | 20 | 14 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Willacy County during the most sunny months:
The largest precipitation sum in Willacy County is at